./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 117e227a1f8c7afcef46e8b69f6c9cb4b1111b56a5f7f9c1580e1601f48f85f4 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 00:04:30,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:04:30,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:04:30,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:04:30,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:04:30,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:04:30,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:04:30,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:04:30,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:04:30,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:04:30,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:04:30,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:04:30,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:04:30,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:04:30,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:04:30,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:04:30,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:04:30,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:04:30,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:04:30,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:04:30,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:04:30,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:04:30,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:04:30,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:04:30,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:04:30,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:04:30,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:04:30,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:04:30,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:04:30,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:04:30,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:04:30,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:04:30,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:04:30,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:04:30,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:04:30,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:04:30,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:04:30,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:04:30,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:04:30,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:04:30,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:04:30,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-29 00:04:30,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:04:30,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:04:30,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:04:30,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:04:30,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:04:30,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:04:30,551 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:04:30,551 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-29 00:04:30,551 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-29 00:04:30,551 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-29 00:04:30,553 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-29 00:04:30,553 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-29 00:04:30,553 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-29 00:04:30,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:04:30,554 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:04:30,554 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 00:04:30,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:04:30,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:04:30,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:04:30,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-29 00:04:30,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-29 00:04:30,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-29 00:04:30,556 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:04:30,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:04:30,558 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-29 00:04:30,558 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:04:30,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-29 00:04:30,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:04:30,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:04:30,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:04:30,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:04:30,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:04:30,561 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-29 00:04:30,562 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 117e227a1f8c7afcef46e8b69f6c9cb4b1111b56a5f7f9c1580e1601f48f85f4 [2021-10-29 00:04:30,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:04:30,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:04:30,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:04:30,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:04:30,838 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:04:30,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/floats-cdfpl/newton_2_8.i [2021-10-29 00:04:30,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/data/5b64b6b80/29d0cd4b18a24c78a0b8c2033a4f5303/FLAGbb7a4732d [2021-10-29 00:04:31,369 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:04:31,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/sv-benchmarks/c/floats-cdfpl/newton_2_8.i [2021-10-29 00:04:31,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/data/5b64b6b80/29d0cd4b18a24c78a0b8c2033a4f5303/FLAGbb7a4732d [2021-10-29 00:04:31,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/data/5b64b6b80/29d0cd4b18a24c78a0b8c2033a4f5303 [2021-10-29 00:04:31,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:04:31,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:04:31,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:31,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:04:31,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:04:31,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:31" (1/1) ... [2021-10-29 00:04:31,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45976604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:31, skipping insertion in model container [2021-10-29 00:04:31,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:31" (1/1) ... [2021-10-29 00:04:31,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:04:31,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:04:32,016 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/sv-benchmarks/c/floats-cdfpl/newton_2_8.i[1245,1258] [2021-10-29 00:04:32,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:04:32,032 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:04:32,064 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/sv-benchmarks/c/floats-cdfpl/newton_2_8.i[1245,1258] [2021-10-29 00:04:32,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:04:32,090 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:04:32,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:32 WrapperNode [2021-10-29 00:04:32,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:32,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:04:32,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:04:32,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:04:32,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:32" (1/1) ... [2021-10-29 00:04:32,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:32" (1/1) ... [2021-10-29 00:04:32,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:04:32,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:04:32,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:04:32,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:04:32,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:32" (1/1) ... [2021-10-29 00:04:32,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:32" (1/1) ... [2021-10-29 00:04:32,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:32" (1/1) ... [2021-10-29 00:04:32,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:32" (1/1) ... [2021-10-29 00:04:32,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:32" (1/1) ... [2021-10-29 00:04:32,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:32" (1/1) ... [2021-10-29 00:04:32,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:32" (1/1) ... [2021-10-29 00:04:32,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:04:32,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:04:32,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:04:32,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:04:32,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:32" (1/1) ... [2021-10-29 00:04:32,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:32,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:32,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:32,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-29 00:04:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 00:04:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 00:04:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:04:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:04:32,460 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:04:32,460 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-29 00:04:32,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:32 BoogieIcfgContainer [2021-10-29 00:04:32,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:04:32,463 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-29 00:04:32,463 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-29 00:04:32,467 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-29 00:04:32,468 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:04:32,468 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.10 12:04:31" (1/3) ... [2021-10-29 00:04:32,469 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5571dadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:04:32, skipping insertion in model container [2021-10-29 00:04:32,469 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:04:32,470 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:32" (2/3) ... [2021-10-29 00:04:32,470 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5571dadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:04:32, skipping insertion in model container [2021-10-29 00:04:32,470 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:04:32,470 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:32" (3/3) ... [2021-10-29 00:04:32,472 INFO L389 chiAutomizerObserver]: Analyzing ICFG newton_2_8.i [2021-10-29 00:04:32,535 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-29 00:04:32,535 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-29 00:04:32,535 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-29 00:04:32,535 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-29 00:04:32,536 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-29 00:04:32,536 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-29 00:04:32,536 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-29 00:04:32,536 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-29 00:04:32,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:32,572 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-29 00:04:32,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-29 00:04:32,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.10 12:04:32 BoogieIcfgContainer [2021-10-29 00:04:32,578 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-29 00:04:32,579 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:04:32,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:04:32,579 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:04:32,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:32" (3/4) ... [2021-10-29 00:04:32,583 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 00:04:32,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:04:32,586 INFO L168 Benchmark]: Toolchain (without parser) took 833.50 ms. Allocated memory is still 111.1 MB. Free memory was 79.4 MB in the beginning and 67.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:32,587 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 111.1 MB. Free memory is still 66.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:04:32,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.46 ms. Allocated memory is still 111.1 MB. Free memory was 79.1 MB in the beginning and 85.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:32,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.01 ms. Allocated memory is still 111.1 MB. Free memory was 85.0 MB in the beginning and 83.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:04:32,590 INFO L168 Benchmark]: Boogie Preprocessor took 46.26 ms. Allocated memory is still 111.1 MB. Free memory was 83.4 MB in the beginning and 82.6 MB in the end (delta: 862.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:32,591 INFO L168 Benchmark]: RCFGBuilder took 272.15 ms. Allocated memory is still 111.1 MB. Free memory was 82.2 MB in the beginning and 73.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:32,592 INFO L168 Benchmark]: BuchiAutomizer took 115.12 ms. Allocated memory is still 111.1 MB. Free memory was 73.4 MB in the beginning and 68.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:32,593 INFO L168 Benchmark]: Witness Printer took 4.90 ms. Allocated memory is still 111.1 MB. Free memory was 68.3 MB in the beginning and 67.9 MB in the end (delta: 371.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:04:32,599 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 111.1 MB. Free memory is still 66.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 338.46 ms. Allocated memory is still 111.1 MB. Free memory was 79.1 MB in the beginning and 85.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.01 ms. Allocated memory is still 111.1 MB. Free memory was 85.0 MB in the beginning and 83.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.26 ms. Allocated memory is still 111.1 MB. Free memory was 83.4 MB in the beginning and 82.6 MB in the end (delta: 862.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 272.15 ms. Allocated memory is still 111.1 MB. Free memory was 82.2 MB in the beginning and 73.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 115.12 ms. Allocated memory is still 111.1 MB. Free memory was 73.4 MB in the beginning and 68.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.90 ms. Allocated memory is still 111.1 MB. Free memory was 68.3 MB in the beginning and 67.9 MB in the end (delta: 371.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-29 00:04:32,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7981080-dcca-4ccc-bc76-4d401dd9c8f4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...